/* Stratejion mark — used in nav, card and stratejion.html */
:root {
  --strat-teal: #1b8079;
  --strat-teal-deep: #135854;
}
.stratejion-mini-logo svg .bars > rect:nth-child(1) { fill: #69b8b1; }
.stratejion-mini-logo svg .bars > rect:nth-child(2) { fill: #2fa098; }
.stratejion-mini-logo svg .bars > rect:nth-child(3) { fill: var(--strat-teal); }
.stratejion-mini-logo svg .bars > rect:nth-child(4) { fill: var(--strat-teal-deep); }
.stratejion-card-logo {
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.55rem 1rem 0.55rem 0.75rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(13, 12, 10, 0.08);
  border-radius: 999px;
  backdrop-filter: blur(6px);
  position: relative;
  z-index: 1;
}
.stratejion-card-logo .label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink);
  font-weight: 500;
}

.brand { font-feature-settings: "ss01", "kern"; }

:root {
  --bg: #faf8f3;
  --bg-2: #f3eee2;
  --surface: #ffffff;
  --surface-warm: #f6f1e6;
  --surface-2: #ece5d3;
  --ink: #0d0c0a;
  --ink-soft: #2a2925;
  --muted: #6b6557;
  --muted-2: #908976;
  --line: rgba(13, 12, 10, 0.10);
  --line-strong: rgba(122, 74, 42, 0.35);
  --accent: #7a4a2a;           /* cacao */
  --accent-deep: #5a3318;
  --accent-warm: #b88a52;      /* warm gold-brown */
  --accent-soft: #c4b896;      /* warm beige */
  --shadow-sm: 0 2px 8px rgba(50, 30, 10, 0.04);
  --shadow-md: 0 14px 40px rgba(50, 30, 10, 0.08);
  --shadow-lg: 0 30px 80px rgba(50, 30, 10, 0.10);
  --serif: "Newsreader", "Cormorant Garamond", "Times New Roman", serif;
  --sans: "Inter Tight", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --content-w: min(1240px, calc(100% - 48px));
  --anim-mult: 1;   /* set by JS for animation intensity */
  --anim-parallax: 1;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--sans);
  font-feature-settings: "ss01", "ss02", "kern";
  background: var(--bg);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(184, 138, 82, 0.10), transparent 32%),
    radial-gradient(circle at 88% 4%, rgba(122, 74, 42, 0.06), transparent 26%),
    radial-gradient(circle at 50% 110%, rgba(196, 184, 150, 0.18), transparent 40%);
  background-attachment: fixed;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.modal-open { overflow: hidden; }

::selection { background: rgba(122, 74, 42, 0.20); color: var(--ink); }

/* ---------- Background layers ---------- */
.paper-noise, .editor-grid, .floating-objects {
  pointer-events: none; position: fixed; inset: 0;
}
.paper-noise {
  z-index: -3; opacity: 0.42;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.32'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}
.editor-grid {
  z-index: -2;
  background-image:
    linear-gradient(rgba(122, 74, 42, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122, 74, 42, 0.05) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: radial-gradient(ellipse at center, black 35%, transparent 85%);
}
.floating-objects { z-index: -1; overflow: hidden; }
.float-piece, .float-orbit {
  position: absolute;
  transform: translate3d(var(--move-x, 0), var(--move-y, 0), 0);
  will-change: transform;
  opacity: calc(0.9 * var(--anim-parallax));
}
.float-piece {
  font-family: var(--serif);
  color: rgba(122, 74, 42, 0.06);
  user-select: none;
  font-weight: 500;
}
.piece-king { top: 8rem; left: 3vw; font-size: clamp(5rem, 11vw, 9rem); }
.piece-queen { top: 56vh; right: 6vw; font-size: clamp(4.5rem, 9vw, 7.5rem); }
.piece-knight { top: 30vh; right: 32vw; font-size: clamp(3rem, 7vw, 5rem); }
.piece-bishop { bottom: 8rem; left: 10vw; font-size: clamp(4rem, 8vw, 6rem); }
.float-orbit {
  border: 1px solid rgba(122, 74, 42, 0.10);
  border-radius: 50%;
}
.orbit-a { width: 26rem; height: 26rem; top: 8rem; right: -8rem; }
.orbit-b { width: 16rem; height: 16rem; bottom: 6rem; left: -4rem; }

/* ---------- Layout ---------- */
.site-header, .site-footer, .section {
  width: var(--content-w);
  margin-inline: auto;
}
main { padding-bottom: 4rem; }
.section { padding: 7rem 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem;
  padding: 1.1rem 0;
  transition: transform 220ms ease, opacity 220ms ease;
}
.site-header::before {
  content: ""; position: absolute; inset: 0 -100vw;
  background: linear-gradient(180deg, rgba(250, 248, 243, 0.92), rgba(250, 248, 243, 0.55));
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  z-index: -1;
}
.brand {
  display: inline-flex; align-items: baseline; gap: 0.45rem;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--serif);
  font-size: 1.55rem;
  letter-spacing: -0.018em;
  font-weight: 400;
}
.brand .dot {
  display: inline-block;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  margin-right: 0.35rem;
  transform: translateY(-3px);
}
.brand .last { font-style: italic; color: var(--accent); }
.site-nav { display: flex; gap: 1.7rem; align-items: center; }
.site-nav a.nav-stratejion {
  display: inline-flex; align-items: center; gap: 0.4rem;
  color: var(--ink-soft);
  padding: 0.35rem 0.7rem 0.35rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  transition: all 180ms ease;
}
.site-nav a.nav-stratejion:hover {
  border-color: var(--strat-teal, #1b8079);
  color: var(--strat-teal, #1b8079);
}
.site-nav a.nav-stratejion .stratejion-mini-logo {
  display: inline-flex; align-items: center;
}
.site-nav a, .lang-btn, .site-footer a {
  color: var(--muted);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 160ms ease;
  background: none; border: none; cursor: pointer; padding: 0;
}
.site-nav a:hover, .site-nav a:focus-visible, .lang-btn:hover, .site-footer a:hover {
  color: var(--accent);
}
.lang-switch {
  display: inline-flex; align-items: center; gap: 0.35rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
}
.lang-btn { padding: 0.1rem 0.35rem; border-radius: 999px; }
.lang-btn.active {
  background: var(--ink);
  color: var(--bg);
}
.lang-sep { color: var(--muted-2); font-family: var(--mono); font-size: 0.7rem; }

/* ---------- Type system ---------- */
.eyebrow, .card-label, .timeline-date, .timeline-meta,
.card-index, .article-block h3, .tal-move, .tal-step,
.tal-sequence span, .board-coords, .stat-label, .stat-tag,
.cv-link, .pill, .post-meta span, .case-tag, .footer-meta {
  font-family: var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 500;
}
h1, h2, h3, h4, .hero-name {
  font-family: var(--serif);
  line-height: 1;
  letter-spacing: -0.018em;
  font-weight: 400;
  margin: 0;
  color: var(--ink);
  font-optical-sizing: auto;
}
h2 { font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1.02; }
h3 { font-size: clamp(1.5rem, 2.4vw, 2rem); line-height: 1.1; }
p { line-height: 1.75; }

/* ---------- Hero ---------- */
.hero {
  min-height: calc(100vh - 4rem);
  display: grid;
  grid-template-columns: 1fr;
  align-content: center;
  gap: 2.5rem;
  padding-top: 4rem;
  padding-bottom: 3rem;
  position: relative;
}
.hero-top {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 1rem; flex-wrap: wrap;
}
.hero-loc {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.hero-loc .pulse {
  display: inline-block; width: 7px; height: 7px;
  background: #1f8a5b;
  border-radius: 50%;
  margin-right: 0.4rem;
  box-shadow: 0 0 0 0 rgba(31, 138, 91, 0.4);
  animation: pulse 2.2s infinite;
  vertical-align: middle;
  transform: translateY(-1px);
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(31, 138, 91, 0.4); }
  70% { box-shadow: 0 0 0 8px rgba(31, 138, 91, 0); }
  100% { box-shadow: 0 0 0 0 rgba(31, 138, 91, 0); }
}
.hero-eyebrow {
  display: inline-flex; gap: 1.1rem; flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}
.hero-eyebrow span { position: relative; }
.hero-eyebrow span + span::before {
  content: ""; position: absolute;
  left: -0.65rem; top: 50%;
  width: 4px; height: 4px;
  background: var(--accent);
  border-radius: 50%;
  transform: translateY(-50%);
}
.hero-name {
  font-size: clamp(4.2rem, 14vw, 12rem);
  line-height: 0.92;
  letter-spacing: -0.035em;
  font-weight: 400;
}
.hero-name .ak {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.hero-name .accent-dot {
  color: var(--accent-warm);
  font-style: normal;
}
.hero-roles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  align-items: baseline;
  margin-top: 1.2rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero-roles .primary {
  color: var(--accent);
  font-weight: 500;
}
.hero-roles .role-sep {
  width: 28px; height: 1px;
  background: var(--line-strong);
  display: inline-block;
}
.hero-tag {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 2.8vw, 2.4rem);
  font-style: italic;
  font-weight: 300;
  line-height: 1.22;
  letter-spacing: -0.005em;
  color: var(--ink-soft);
  max-width: 28ch;
  margin: 0;
  margin-top: 2rem;
}
.hero-tag em {
  font-style: italic;
  color: var(--accent);
}
.hero-bottom {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: end;
  margin-top: 1rem;
}
.hero-lede {
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 56ch;
  margin: 0 0 1.8rem;
}
.hero-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.hero-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}
.stat .stat-num {
  font-family: var(--serif);
  font-size: clamp(2.4rem, 4vw, 3.3rem);
  line-height: 1;
  color: var(--accent);
  display: block;
  margin-bottom: 0.4rem;
}
.stat-label { font-size: 0.66rem; color: var(--muted); }

/* ---------- Buttons ---------- */
.button {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.95rem 1.4rem;
  border-radius: 999px;
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 200ms ease, background 200ms ease, color 200ms ease, border-color 200ms ease;
}
.button .arrow {
  display: inline-block;
  transition: transform 200ms ease;
}
.button:hover .arrow { transform: translateX(3px); }
.button:hover { transform: translateY(calc(-2px * var(--anim-mult))); }

.button-primary {
  background: var(--ink);
  color: var(--bg);
}
.button-primary:hover { background: var(--accent); }
.button-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.button-secondary:hover {
  background: var(--surface);
  border-color: var(--accent);
}
.button-ghost {
  background: transparent;
  color: var(--accent);
  padding: 0.4rem 0;
}
.button-ghost:hover { color: var(--accent-deep); }

/* ---------- Section heading ---------- */
.section-heading {
  display: grid;
  grid-template-columns: 14rem 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: end;
  margin-bottom: 3rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--line);
}
.section-heading .meta { 
  display: flex; flex-direction: column; gap: 0.4rem;
}
.section-heading .meta .num {
  font-family: var(--mono); font-size: 0.7rem;
  color: var(--accent); letter-spacing: 0.18em;
}
.section-heading .meta .label {
  font-family: var(--mono); font-size: 0.72rem;
  color: var(--muted); letter-spacing: 0.16em;
  text-transform: uppercase;
}
.section-heading h2 {
  max-width: 22ch;
}

/* ---------- Approach (with chess) ---------- */
.approach-wrap {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: stretch;
}
.approach-text p {
  color: var(--ink-soft);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-top: 0;
}
.approach-text p + p { margin-top: 1.2rem; }
.approach-text .lede {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  line-height: 1.25;
  color: var(--ink);
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}
.pill-row { display: flex; gap: 0.55rem; flex-wrap: wrap; margin-top: 2rem; }
.pill {
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.66rem;
  color: var(--ink-soft);
  background: var(--surface);
  letter-spacing: 0.12em;
}
.pill.accent {
  border-color: var(--line-strong);
  color: var(--accent);
  background: rgba(122, 74, 42, 0.04);
}

/* Chess panel */
.tal-board-shell {
  padding: 1.4rem;
  border-radius: 1.6rem;
  background: var(--surface-warm);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  display: flex; flex-direction: column;
  position: relative;
}
.tal-board-shell::before {
  content: ""; position: absolute; inset: 0;
  border-radius: 1.6rem; pointer-events: none;
  background: linear-gradient(140deg, rgba(255,255,255,0.5), transparent 40%);
  opacity: 0.7;
}
.tal-board-meta { margin-bottom: 1rem; position: relative; }
.tal-board-meta .card-label {
  display: block;
  font-size: 0.7rem;
  color: var(--accent);
  margin-bottom: 0.45rem;
}
.tal-board-meta h3 {
  font-size: clamp(1.45rem, 2.2vw, 1.9rem);
  line-height: 1.18;
  color: var(--ink);
  margin-bottom: 0.7rem;
  max-width: 28ch;
}
.tal-caption {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
  max-width: 50ch;
}
.tal-move-row {
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; margin-top: 0.9rem;
}
.tal-move {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 500;
}
.tal-step {
  color: var(--muted);
  font-size: 0.7rem;
}
.tal-sequence {
  display: flex; flex-wrap: wrap; gap: 0.45rem;
  margin-top: 0.7rem;
}
.tal-sequence span {
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 0.62rem;
  color: var(--muted);
  background: var(--surface);
  letter-spacing: 0.1em;
  transition: all 200ms ease;
}
.tal-sequence span.active {
  color: var(--bg);
  background: var(--ink);
  border-color: var(--ink);
}
.tal-board-wrap { position: relative; margin-top: 0.3rem; }
.board-coords {
  display: grid; grid-template-columns: repeat(8, 1fr);
  gap: 0.25rem;
  color: var(--muted-2);
  font-size: 0.58rem;
  padding: 0 0.6rem;
}
.coords-top { margin-bottom: 0.4rem; }
.coords-bottom { margin-top: 0.4rem; }
.tal-board {
  display: grid; grid-template-columns: repeat(8, 1fr);
  width: 100%; aspect-ratio: 1;
  border-radius: 0.8rem;
  overflow: hidden;
  border: 1px solid rgba(90, 51, 24, 0.30);
  box-shadow:
    inset 0 0 0 1px rgba(255, 248, 232, 0.4),
    0 14px 36px rgba(50, 30, 10, 0.10);
}
.square {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 2.8vw, 2.6rem);
}
.square.light { background: #ece1c3; }
.square.dark { background: #9d7649; }
.square::after {
  content: attr(data-square);
  position: absolute;
  left: 0.4rem; bottom: 0.3rem;
  font-family: var(--mono);
  font-size: 0.5rem;
  color: rgba(13, 12, 10, 0.22);
}
.square.dark::after { color: rgba(255, 248, 232, 0.32); }
.square.highlight-from::before, .square.highlight-to::before {
  content: ""; position: absolute; inset: 13%; border-radius: 50%;
}
.square.highlight-from::before {
  background: rgba(13, 12, 10, 0.06);
  border: 2px solid rgba(13, 12, 10, 0.20);
}
.square.highlight-to::before {
  background: radial-gradient(circle, rgba(122, 74, 42, 0.55), rgba(122, 74, 42, 0.18));
}
.square .piece { position: relative; z-index: 1; line-height: 1; }
.square .piece.white {
  color: #fff8e8;
  text-shadow: 0 1px 0 rgba(0,0,0,0.15), 0 6px 10px rgba(0,0,0,0.18);
}
.square .piece.black {
  color: #1c130a;
  text-shadow: 0 1px 0 rgba(255,255,255,0.20);
}

/* ---------- Timeline ---------- */
.timeline {
  position: relative;
  display: grid;
  gap: 0;
  margin-top: 0;
}
.timeline-item {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 2.5rem;
  padding: 2.2rem 0;
  border-top: 1px solid var(--line);
  position: relative;
}
.timeline-item:first-child { border-top: 1px solid var(--ink); }
.timeline-item:last-child { border-bottom: 1px solid var(--line); }
.timeline-item::before {
  content: "";
  position: absolute; top: -5px; left: 0;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
}
.timeline-item:first-child::before { background: var(--ink); }
.timeline-date {
  padding-top: 0.1rem;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 500;
}
.timeline-body h3 {
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
}
.timeline-meta {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 500;
  margin: 0.2rem 0 1rem;
  font-style: normal;
}
.timeline-body p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 64ch;
}
.timeline-bullets {
  margin: 0.7rem 0 0;
  padding: 0;
  list-style: none;
  color: var(--ink-soft);
}
.timeline-bullets li {
  position: relative;
  padding-left: 1.2rem;
  margin-top: 0.4rem;
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 64ch;
}
.timeline-bullets li::before {
  content: ""; position: absolute;
  left: 0; top: 0.65rem;
  width: 0.5rem; height: 1px;
  background: var(--accent);
}

/* ---------- Expertise ---------- */
.expertise-grid {
  display: grid; gap: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.expertise-card {
  position: relative;
  padding: 2rem 1.8rem 2.2rem;
  background: transparent;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 220ms ease, transform 220ms ease;
}
.expertise-card:hover {
  background: var(--surface);
  transform: translateY(calc(-2px * var(--anim-mult)));
}
.expertise-card .card-index {
  display: block;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  margin-bottom: 1.4rem;
}
.expertise-card h3 {
  font-size: 1.5rem;
  line-height: 1.15;
  margin-bottom: 0.8rem;
  color: var(--ink);
}
.expertise-card p {
  margin: 0;
  font-size: 0.96rem;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* ---------- Cases ---------- */
.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
}
.case-card {
  position: relative;
  display: flex; flex-direction: column;
  padding: 2rem;
  border-radius: 1.4rem;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: transform 240ms ease, box-shadow 240ms ease, border-color 240ms ease;
}
.case-card:hover {
  transform: translateY(calc(-3px * var(--anim-mult)));
  box-shadow: var(--shadow-md);
  border-color: var(--line-strong);
}
.case-card.featured {
  background:
    radial-gradient(circle at 100% 0%, rgba(184, 138, 82, 0.18), transparent 50%),
    var(--surface-warm);
  border-color: rgba(122, 74, 42, 0.22);
}
.case-head {
  display: flex; justify-content: space-between; gap: 1rem;
  margin-bottom: 1.2rem;
  align-items: flex-start;
}
.case-tag {
  font-size: 0.66rem;
  color: var(--accent);
  font-weight: 500;
}
.case-year {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.1em;
}
.case-card h3 {
  font-size: clamp(1.55rem, 2.3vw, 2rem);
  margin-bottom: 0.7rem;
  letter-spacing: -0.01em;
}
.case-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.7;
}
.case-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.6rem;
  padding-top: 1.4rem;
  border-top: 1px dashed var(--line);
}
.case-stats .stat-num {
  font-family: var(--serif);
  font-size: 1.7rem;
  line-height: 1;
  color: var(--accent);
  display: block;
  margin-bottom: 0.3rem;
}
.case-stats .stat-label {
  font-size: 0.6rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  line-height: 1.4;
}

/* ---------- Education / Skills ---------- */
.edu-wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}
.edu-list { display: grid; gap: 1rem; }
.edu-item {
  padding: 1.4rem 1.6rem;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  background: var(--surface);
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 1.3rem;
  align-items: center;
  transition: border-color 200ms ease;
}
.edu-item:hover { border-color: var(--line-strong); }
.edu-year {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.14em;
}
.edu-body h4 {
  margin: 0 0 0.3rem;
  font-size: 1.2rem;
  font-family: var(--serif);
  letter-spacing: -0.005em;
}
.edu-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}
.skill-block {
  padding: 1.6rem;
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  background: var(--surface);
}
.skill-block + .skill-block { margin-top: 1rem; }
.skill-block h4 {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 1rem;
  font-weight: 500;
}
.skill-pills { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.skill-pills span {
  font-family: var(--mono);
  font-size: 0.66rem;
  color: var(--ink-soft);
  padding: 0.4rem 0.7rem;
  border-radius: 999px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  letter-spacing: 0.06em;
}

/* ---------- Blog / Articles ---------- */
.post-feature {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: stretch;
  padding: 2.2rem;
  border: 1px solid var(--line);
  border-radius: 1.6rem;
  background:
    radial-gradient(circle at 90% 100%, rgba(184, 138, 82, 0.14), transparent 50%),
    var(--surface);
  margin-bottom: 2rem;
}
.post-feature .post-tag-row { margin-bottom: 1rem; }
.post-feature h3 {
  font-size: clamp(2rem, 3.8vw, 3rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 1rem;
}
.post-feature p {
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.7;
  margin: 0 0 1.5rem;
}
.post-feature .post-side {
  display: flex; flex-direction: column;
  justify-content: space-between;
  padding: 1.4rem; border-radius: 1.2rem;
  background: var(--bg);
  border: 1px solid var(--line);
}
.post-toc { display: grid; gap: 0.6rem; margin-top: 0.6rem; }
.post-toc li {
  list-style: none;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  border-top: 1px dashed var(--line);
  padding-top: 0.5rem;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.post-card {
  display: flex; flex-direction: column;
  padding: 1.8rem;
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  background: var(--surface);
  cursor: pointer;
  text-align: left;
  width: 100%;
  transition: transform 240ms ease, border-color 200ms ease, box-shadow 240ms ease;
  font-family: inherit;
  color: inherit;
}
.post-card:hover {
  transform: translateY(calc(-3px * var(--anim-mult)));
  border-color: var(--line-strong);
  box-shadow: var(--shadow-sm);
}
.post-meta {
  display: flex; gap: 1rem;
  align-items: center;
  margin-bottom: 1.1rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--muted);
  letter-spacing: 0.12em;
}
.post-meta .dot {
  display: inline-block;
  width: 3px; height: 3px;
  background: var(--accent);
  border-radius: 50%;
}
.post-card h3 {
  margin: 0 0 0.7rem;
  font-size: 1.45rem;
  letter-spacing: -0.01em;
  line-height: 1.12;
  flex: 0 0 auto;
}
.post-card p {
  flex: 1 1 auto;
  margin: 0 0 1.3rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.65;
}
.post-card .post-cta {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--accent);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.post-card .post-cta .arrow { transition: transform 200ms ease; }
.post-card:hover .post-cta .arrow { transform: translateX(3px); }

/* ---------- Contact ---------- */
.contact-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 5vw, 4rem);
}
.contact-info {
  padding: 2.2rem;
  border: 1px solid var(--line);
  border-radius: 1.6rem;
  background: var(--surface);
  display: flex; flex-direction: column; gap: 1rem;
}
.contact-row {
  display: flex; align-items: center; gap: 0.9rem;
  color: var(--ink);
  text-decoration: none;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.98rem;
  transition: color 160ms ease;
}
.contact-row:last-child { border-bottom: 0; }
.contact-row:hover { color: var(--accent); }
.contact-row .icon {
  width: 2.2rem; height: 2.2rem; flex: 0 0 2.2rem;
  border-radius: 50%;
  background: var(--bg-2);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--accent);
}
.contact-row .icon svg { width: 1rem; height: 1rem; }
.contact-row .info-meta {
  display: block;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 0.15rem;
}

.contact-form {
  padding: 2.2rem;
  border-radius: 1.6rem;
  background: var(--surface);
  border: 1px solid var(--line);
}
.form-row {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 1rem;
}
.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field label {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.field input, .field textarea, .field select {
  font-family: var(--sans);
  font-size: 0.98rem;
  padding: 0.8rem 0.9rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  color: var(--ink);
  outline: none;
  transition: border-color 160ms ease, background 160ms ease;
}
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--accent);
  background: var(--surface);
}
.field textarea { resize: vertical; min-height: 7rem; }
.form-submit {
  margin-top: 0.5rem;
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; flex-wrap: wrap;
}
.form-hint {
  color: var(--muted); font-size: 0.78rem;
  font-family: var(--mono);
  letter-spacing: 0.1em;
}
.form-success {
  display: none;
  margin-top: 0.8rem;
  padding: 0.8rem 1rem;
  background: rgba(31, 138, 91, 0.08);
  border-radius: 0.7rem;
  color: #1f5b3a;
  font-size: 0.9rem;
}
.form-success.show { display: block; }

/* ---------- Stratejion card ---------- */
.stratejion-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: 1.6rem;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  margin-top: 1rem;
  position: relative;
}
.stratejion-card .visual {
  background:
    radial-gradient(circle at 30% 30%, rgba(184, 138, 82, 0.25), transparent 55%),
    radial-gradient(circle at 80% 70%, rgba(122, 74, 42, 0.18), transparent 50%),
    var(--surface-warm);
  padding: 3rem;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 1.2rem;
  position: relative;
  min-height: 16rem;
  overflow: hidden;
}
.stratejion-mark {
  font-family: var(--serif);
  font-size: clamp(3.2rem, 6.5vw, 5rem);
  color: var(--ink);
  letter-spacing: -0.03em;
  line-height: 0.92;
  text-align: center;
  font-weight: 400;
  position: relative;
  z-index: 1;
}
.stratejion-mark span {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 0.6rem;
}
.stratejion-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(122, 74, 42, 0.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(122, 74, 42, 0.10) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at center, black 25%, transparent 75%);
  pointer-events: none;
}
.stratejion-card .text {
  padding: 2.5rem;
  display: flex; flex-direction: column;
  justify-content: center;
  gap: 0.6rem;
}
.stratejion-card .text h3 {
  font-size: clamp(1.7rem, 2.6vw, 2.2rem);
  margin: 0.2rem 0 0.6rem;
}
.stratejion-card .text p {
  color: var(--ink-soft);
  margin: 0 0 1.2rem;
}

/* ---------- Modal ---------- */
.article-modal {
  position: fixed; inset: 0; display: none; z-index: 80;
}
.article-modal.active { display: block; animation: fadeIn 240ms ease both; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.article-modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(13, 12, 10, 0.50);
  backdrop-filter: blur(14px);
}
.article-modal-dialog {
  position: relative;
  z-index: 1;
  width: min(880px, calc(100% - 32px));
  max-height: calc(100vh - 48px);
  margin: 24px auto;
  border-radius: 1.6rem;
  overflow: auto;
  background: var(--bg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lg);
  animation: lift 380ms cubic-bezier(.2, .9, .2, 1) both;
}
@keyframes lift { from { transform: translateY(24px); opacity: 0; } to { transform: none; opacity: 1; } }
.article-modal-inner { padding: 2.4rem; }
.article-modal-inner .post-meta { margin-bottom: 1.2rem; }
.article-modal-inner h2 {
  font-size: clamp(2.2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
  line-height: 1.05;
}
.article-lead {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.4rem;
  line-height: 1.5;
  color: var(--ink);
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.5rem;
}
.article-block { margin-top: 2rem; }
.article-block h3 {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
  margin: 0 0 1rem;
}
.article-block p { color: var(--ink-soft); margin: 0 0 0.8rem; line-height: 1.7; }
.article-block ul, .article-block ol { margin: 0; padding-left: 1.2rem; color: var(--ink-soft); }
.article-block li { line-height: 1.6; }
.article-block li + li { margin-top: 0.5rem; }
.article-block .mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin-top: 0.6rem;
}
.article-block .mini-grid > div {
  padding: 1rem; border-radius: 0.8rem;
  background: var(--surface);
  border: 1px solid var(--line);
}
.article-block .mini-grid strong, .article-block .mini-grid h4 {
  display: block;
  margin: 0 0 0.4rem;
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--ink);
  font-weight: 500;
}
.article-block .mini-grid span {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.5;
}
blockquote {
  margin: 1.4rem 0;
  padding: 1rem 0 1rem 1.4rem;
  border-left: 3px solid var(--accent);
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.4rem;
  line-height: 1.4;
  color: var(--ink);
}
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 520px; }
th, td { padding: 0.85rem 0.6rem; text-align: left; font-size: 0.95rem; }
th {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 500;
  border-bottom: 1px solid var(--accent);
}
td { border-bottom: 1px solid var(--line); color: var(--ink-soft); }
tr:last-child td { border-bottom: 0; }
.article-close {
  position: sticky; top: 0;
  margin-left: auto;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg);
  border: 0;
  border-bottom: 1px solid var(--line);
  width: 100%;
  padding: 0.9rem 2.4rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  z-index: 2;
}
.article-close:hover { color: var(--accent); }
.article-close span { margin-left: auto; }

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(calc(24px * var(--anim-mult)));
  transition: opacity calc(700ms * var(--anim-mult) + 100ms) cubic-bezier(.2,.7,.2,1),
              transform calc(700ms * var(--anim-mult) + 100ms) cubic-bezier(.2,.7,.2,1);
}
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Footer ---------- */
.site-footer {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2rem;
  padding: 3rem 0 2.5rem;
  border-top: 1px solid var(--line);
  margin-top: 4rem;
}
.footer-brand h4 {
  font-family: var(--serif);
  font-size: 1.6rem;
  letter-spacing: -0.01em;
  margin-bottom: 0.4rem;
}
.footer-brand p {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0;
  max-width: 38ch;
}
.footer-col h5 {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.8rem;
  font-weight: 500;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem; }
.footer-col a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
}
.footer-col a:hover { color: var(--accent); }
.footer-meta {
  grid-column: 1 / -1;
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 1.5rem; margin-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.7rem;
  color: var(--muted);
}

/* ---------- Tweaks panel ---------- */
.tweaks-panel {
  position: fixed; right: 24px; bottom: 24px;
  width: 270px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: var(--shadow-lg);
  padding: 1.2rem;
  z-index: 70;
  display: none;
}
.tweaks-panel.open { display: block; }
.tweaks-panel h6 {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin: 0 0 0.9rem;
  display: flex; justify-content: space-between; align-items: center;
}
.tweaks-panel h6 button {
  background: none; border: none; cursor: pointer;
  color: var(--muted); font-family: var(--mono);
  font-size: 0.7rem;
}
.tweaks-row { margin-bottom: 1rem; }
.tweaks-row label {
  display: block; margin-bottom: 0.45rem;
  font-family: var(--mono); font-size: 0.66rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted);
}
.tweaks-row .seg {
  display: grid; grid-template-columns: repeat(3, 1fr);
  background: var(--bg-2);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}
.tweaks-row .seg button {
  background: transparent;
  border: 0;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.45rem 0.4rem;
  border-radius: 999px;
  color: var(--muted);
  cursor: pointer;
  transition: all 160ms ease;
}
.tweaks-row .seg button.active {
  background: var(--ink);
  color: var(--bg);
}

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .hero-bottom, .approach-wrap, .case-grid, .contact-wrap,
  .edu-wrap, .post-feature, .stratejion-card {
    grid-template-columns: 1fr;
  }
  .expertise-grid, .post-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-name { font-size: clamp(3.6rem, 16vw, 10rem); }
  .section-heading { grid-template-columns: 1fr; gap: 1.2rem; }
}
@media (max-width: 760px) {
  :root { --content-w: min(100% - 32px, 100%); }
  .section { padding: 4.5rem 0; }
  .site-header { gap: 0.7rem; flex-wrap: wrap; }
  .site-nav { display: none; }
  .lang-switch { margin-left: auto; }
  .hero { min-height: auto; padding-top: 2rem; }
  .hero-meta { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .expertise-grid, .post-grid, .form-row { grid-template-columns: 1fr; }
  .timeline-item { grid-template-columns: 1fr; gap: 0.7rem; padding: 1.6rem 0; }
  .timeline-date { margin-bottom: 0.4rem; }
  .edu-item { grid-template-columns: 1fr; gap: 0.4rem; }
  .tweaks-panel { right: 12px; bottom: 12px; width: calc(100vw - 24px); }
  .site-footer { grid-template-columns: 1fr; gap: 1.5rem; padding: 2rem 0; }
  .footer-meta { flex-direction: column; gap: 0.6rem; text-align: left; align-items: flex-start; }
  .button { font-size: 0.68rem; padding: 0.8rem 1.1rem; }
  .article-modal-inner { padding: 1.4rem; }
  .piece-king, .piece-queen, .piece-knight, .piece-bishop,
  .orbit-a, .orbit-b { display: none; }
  .stratejion-card .visual { min-height: 12rem; padding: 1.8rem; }
}